Coyle also served the constituency as a councillor, taking his place in the Newington ward in 2010. After his re-election as a councillor in 2014, Coyle became Deputy Mayor of the London Borough of Southwark.

Alongside his role as trustee for a local mental health charity and the North Southwark Environment Trust, he is also a national policy and campaigns advisor on social care and tackling poverty. He has raised funds for the Evelina Children's Hospital and for a local Garden Farm.[2]